Solving Equations and Inequalities

What is the solution set for the inequality?

• x > 3

• x < 12

• x < 3

• x > 12

Justin and Sean have a classics album collection. The number of albums in Justin’s collection can be represented by x. The number of albums in Sean’s collection is 5 times the number in Justin’s collection. The total number of albums in both collections is 78. What is x, the number of albums in Justin’s collection?

• x = 6

• x = 15.6

• x = 13

• x = 78

Which of the following represents the solution to the equation?

• x = 3

• x = -3

• x = 17

• x = -17

-3x - 10 = 2

• x = 8/3

• x = - 8/3

• x = -4

• x = 4

22.95 = 16.15 + 4x

• x = 9.775

• x = 4.2

• x = 1.7

• x = 2.2

Which of the following represents the solution to the inequality shown below?

Which of the following represents the solution to the inequality shown below?

• x < -3

• x < -6

• x > -3

• x > -6

Which of the following represents the solution to the inequality shown below?

-2x + 3 > -17

• x < 10

• x > 10

• x > 7

• x < 7

Which of the following represents the solution to the inequality shown below?

Grace, Maci, and Kendra all have a large collection of earrings.

 The number of pairs of earrings in Grace’s collection is represented by x.

 The number of pairs of earrings in Maci’s collection is three times the number of pairs in Grace’s collection.

 Kendra has 4 earrings in her collection.

 The total number of pairs of earrings in all three girls’ collections is 52.

How many pairs of earrings are in Maci’s collection?

• x = 48

• x = 12

• x = 36

• x = 4